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Pages 69-70

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From page 69...
... 69 CHAPTER 4 SUMMARY AND RECOMMENDATIONS FOR FUTURE RESEARCH 4.1 SUMMARY The interaction between the concrete slab and the base layer is a complex phenomenon affecting long-term performance of concrete pavements. In this study, modeling of the slab-base interaction in the AASHTO M-E procedure for rigid pavement design was evaluated.
From page 70...
... 70 In addition, the modified cracking model has adopted a simplified model of deterioration at the slab-base interface, which depends only on monthly fluctuations in the temperature at the slab-base interface. Future work may investigate a mechanistic-empirical model quantifying the deterioration and how to better represent this behavior through the dimensionless inferred friction *

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